Version 4
SHEET 1 1296 756
WIRE 96 -64 -80 -64
WIRE 288 -64 96 -64
WIRE 384 -64 288 -64
WIRE 640 -64 384 -64
WIRE 736 -64 640 -64
WIRE 992 -64 736 -64
WIRE 384 -32 384 -64
WIRE 640 -32 640 -64
WIRE -80 16 -80 -64
WIRE 464 16 448 16
WIRE 576 16 464 16
WIRE 992 32 992 -64
WIRE 96 80 96 -64
WIRE 928 80 848 80
WIRE 384 96 384 64
WIRE 464 96 464 16
WIRE 464 96 384 96
WIRE 640 144 640 64
WIRE 848 144 848 80
WIRE 848 144 640 144
WIRE 880 144 848 144
WIRE 992 144 992 128
WIRE 992 144 944 144
WIRE -80 192 -80 96
WIRE -80 192 -160 192
WIRE 992 192 992 144
WIRE 1040 192 992 192
WIRE 1152 192 1040 192
WIRE 1200 192 1152 192
WIRE 288 208 288 -64
WIRE 736 208 736 -64
WIRE -160 224 -160 192
WIRE 384 256 384 96
WIRE 640 256 640 144
WIRE -80 272 -80 192
WIRE 304 304 288 304
WIRE 320 304 304 304
WIRE 736 304 704 304
WIRE 1152 336 1152 192
WIRE 800 352 800 256
WIRE 384 384 384 352
WIRE 496 384 384 384
WIRE 560 384 496 384
WIRE 640 384 640 352
WIRE 640 384 560 384
WIRE 96 400 96 160
WIRE 192 400 96 400
WIRE 1152 432 1152 416
WIRE 1152 432 1104 432
WIRE 96 448 96 400
WIRE 496 448 496 384
WIRE 992 448 992 192
WIRE 1152 448 1152 432
WIRE 192 496 192 400
WIRE 192 496 160 496
WIRE 432 496 192 496
WIRE 928 496 432 496
WIRE 1152 560 1152 528
WIRE -80 592 -80 352
WIRE 96 592 96 544
WIRE 96 592 -80 592
WIRE 496 592 496 544
WIRE 496 592 96 592
WIRE 992 592 992 544
WIRE 992 592 496 592
WIRE 224 688 224 256
WIRE 1104 688 1104 432
WIRE 1104 688 224 688
FLAG -160 224 0
FLAG 848 144 out1
FLAG 800 432 0
FLAG 1040 192 out2
FLAG 304 304 V-
FLAG 704 304 V+
FLAG 560 384 Vtail
FLAG 1200 256 0
FLAG 1152 560 0
SYMBOL npn 320 256 R0
SYMATTR InstName Q1a
SYMATTR Value 2N3904
SYMBOL npn 704 256 M0
SYMATTR InstName Q1b
SYMATTR Value 2N3904
SYMBOL voltage -80 0 R0
SYMATTR InstName V1
SYMATTR Value 6V
SYMBOL voltage -80 256 R0
SYMATTR InstName V2
SYMATTR Value 6V
SYMBOL voltage 800 336 M0
WINDOW 123 24 72 Left 2
WINDOW 39 24 44 Left 2
WINDOW 3 24 72 Left 2
SYMATTR Value PULSE(0 1m 1n 1n)
SYMATTR InstName Vin
SYMBOL pnp 928 128 M180
SYMATTR InstName Q4
SYMATTR Value 2N3906
SYMBOL pnp 576 64 M180
SYMATTR InstName Q2b
SYMATTR Value 2N3906
SYMBOL pnp 448 64 R180
SYMATTR InstName Q2a
SYMATTR Value 2N3906
SYMBOL npn 432 448 R0
SYMATTR InstName Q3
SYMATTR Value 2N3904
SYMBOL npn 928 448 R0
SYMATTR InstName Q5
SYMATTR Value 2N3904
SYMBOL npn 160 448 M0
SYMATTR InstName Q6
SYMATTR Value 2N3904
SYMBOL res 80 64 R0
SYMATTR InstName R1
SYMATTR Value 12k
SYMBOL cap 1184 192 R0
SYMATTR InstName Cout
SYMATTR Value 2p
SYMBOL cap 944 128 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName Cc
SYMATTR Value 2p
SYMBOL res 1136 320 R0
SYMATTR InstName R2
SYMATTR Value 99k
SYMBOL res 1136 432 R0
SYMATTR InstName R3
SYMATTR Value 1k
SYMBOL npn 224 208 R0
SYMATTR InstName Q1
SYMATTR Value 2N3904
SYMBOL npn 800 208 M0
SYMATTR InstName Q2
SYMATTR Value 2N3904
TEXT 184 560 Left 2 !.tran 5u